7452442 has 4 divisors (see below), whose sum is σ = 11178666. Its totient is φ = 3726220.

The previous prime is 7452433. The next prime is 7452451. The reversal of 7452442 is 2442547.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7452433) and next prime (7452451).

It can be written as a sum of positive squares in only one way, i.e., 6765201 + 687241 = 2601^2 + 829^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7452442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1863109 + ... + 1863112.

Almost surely, 2^7452442 is an apocalyptic number.

7452442 is a deficient number, since it is larger than the sum of its proper divisors (3726224).

7452442 is a wasteful number, since it uses less digits than its factorization.

7452442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726223.

The product of its digits is 8960, while the sum is 28.

The square root of 7452442 is about 2729.9161159274. The cubic root of 7452442 is about 195.3287638339.

Adding to 7452442 its reverse (2442547), we get a palindrome (9894989).

The spelling of 7452442 in words is "seven million, four hundred fifty-two thousand, four hundred forty-two".